"The zinc protects the steel. They're what I would use." However, he says if you're willing to pay more, hot-dipped galvanized nails, like Metabo HPT's 2-inch Siding Nails, are a superior option ...
That's why choosing the right nails is important. That being said, Beacham admits that galvanized nails corrode, too. However, he believes it isn't a significant issue because these nails usually last ...